From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C9457C for ; Mon, 24 Apr 2023 13:29:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CBB65C433D2; Mon, 24 Apr 2023 13:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1682342972; bh=XceAHinoPLvIfUIBuPBswUzyA8nZBrYRZs6HlidQhSo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lGHYxijAgue2htwz1z8YvvH+ZF5VHXF0slGTZcs+CRAy++Vn5rFmftM8cpv6tqt64 69ACNpwbi9phIqeDJB6tt9/GGl1CKPgaA7UPVkvzRFl4EZ3bP57qXBzkTsQFkI+wW7 gFXv4DeXOAQB6rOAx4C502dzJ/cG23DvhTdhd+ww= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, WANG Xuerui , Randy Dunlap , Tiezhu Yang , Huacai Chen , Sasha Levin Subject: [PATCH 6.2 028/110] LoongArch: Fix build error if CONFIG_SUSPEND is not set Date: Mon, 24 Apr 2023 15:16:50 +0200 Message-Id: <20230424131137.183655156@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230424131136.142490414@linuxfoundation.org> References: <20230424131136.142490414@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Huacai Chen [ Upstream commit 1cf62488f5e465b1cd814d19be238a4b7ad5be38 ] We can see the following build error on LoongArch if CONFIG_SUSPEND is not set: ld: drivers/acpi/sleep.o: in function 'acpi_pm_prepare': sleep.c:(.text+0x2b8): undefined reference to 'loongarch_wakeup_start' Here is the call trace: acpi_pm_prepare() __acpi_pm_prepare() acpi_sleep_prepare() acpi_get_wakeup_address() loongarch_wakeup_start() Root cause: loongarch_wakeup_start() is defined in arch/loongarch/power/ suspend_asm.S which is only built under CONFIG_SUSPEND. In order to fix the build error, just let acpi_get_wakeup_address() return 0 if CONFIG_ SUSPEND is not set. Fixes: 366bb35a8e48 ("LoongArch: Add suspend (ACPI S3) support") Reviewed-by: WANG Xuerui Reported-by: Randy Dunlap Link: https://lore.kernel.org/all/11215033-fa3c-ecb1-2fc0-e9aeba47be9b@infradead.org/ Signed-off-by: Tiezhu Yang Signed-off-by: Huacai Chen Signed-off-by: Sasha Levin --- arch/loongarch/include/asm/acpi.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/loongarch/include/asm/acpi.h b/arch/loongarch/include/asm/acpi.h index 4198753aa1d0f..976a810352c60 100644 --- a/arch/loongarch/include/asm/acpi.h +++ b/arch/loongarch/include/asm/acpi.h @@ -41,8 +41,11 @@ extern void loongarch_suspend_enter(void); static inline unsigned long acpi_get_wakeup_address(void) { +#ifdef CONFIG_SUSPEND extern void loongarch_wakeup_start(void); return (unsigned long)loongarch_wakeup_start; +#endif + return 0UL; } #endif /* _ASM_LOONGARCH_ACPI_H */ -- 2.39.2